39397538 has 8 divisors (see below), whose sum is σ = 59138640. Its totient is φ = 19684660.

The previous prime is 39397529. The next prime is 39397543. The reversal of 39397538 is 83579393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39397538² = 3104332000922888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39397492 and 39397501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (7392330).

Almost surely, 2^39397538 is an apocalyptic number.

39397538 is a deficient number, since it is larger than the sum of its proper divisors (19741102).

39397538 is a wasteful number, since it uses less digits than its factorization.

39397538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112.

The product of its digits is 612360, while the sum is 47.

The square root of 39397538 is about 6276.7458129193. The cubic root of 39397538 is about 340.2695037356.

The spelling of 39397538 in words is "thirty-nine million, three hundred ninety-seven thousand, five hundred thirty-eight".